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Finding the Fourth Proportional to 267,367.86, 368,932.53 and 159,898.68

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Solution

The fourth proportional to 267,367.86, 368,932.53 and 159,898.68 is: 220,639.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,367.86 : 368,932.53 = 159,898.68 : x
  2. Step 2: Convert to fraction form
    267,367.86/368,932.53 = 159,898.68/x
  3. Step 3: Cross multiply
    267,367.86x = 368,932.53 × 159,898.68
  4. Step 4: Simplify right side
    267,367.86x = 58,991,824,556.06
  5. Step 5: Solve for x
    x = 58,991,824,556.06/267,367.86
  6. Step 6: Final answer
    x = 220,639.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.